html, body {
  color: #222;
  font-family: Microsoft YaHei,Helvitica,Verdana,Tohoma,Arial,san-serif;
  margin: 0;
  padding: 0;
  text-decoration: none;
}

body, div, dl, dt, dd, ul, ol, li, h1, h2, h3, h4, h5, h6, pre, code, form, fieldset, legend, input, textarea, p, blockquote, th, td {
  margin: 0;
  padding: 0;
}

img {
  border: 0;
}

.link {
  margin-top: 5px;
}

  .link img {
    width: 90px;
    height: 90px;
  }

.section1, .section2 {
  height: 40%;
  display: block;
}

.section3 {
  height: 20%;
  display: block;
  position: absolute;
  bottom: 0;
  width: 100%;
}
